import math
def add(x,y):
    return x+y
def sub(x,y):
    return x-y
def mul(x,y):
    return x*y
def div(x,y):
    return x/y
def exactdiv(x,y):
    return x//y
def rem(x,y):
    return x%y
def pow(x,y):
    return x**y
if __name__=="__main__":
    print(add(2,3))
    print(sub(2,3))
    print(mul(2,3))
    print(div(2,3))
    print(exactdiv(2,3))
    print(rem(2,3))
    print(pow(2,3))
    print(math.sqrt(9))